Find cheap flights from Phnom Penh to Vientiane - Compare and Save

2 airlines operate flights between Phnom Penh and Vientiane. The airlines offering nonstop flights on this route include:
• Vietnam Airlines
• Cambodia Airways

Flights from Phnom Penh to Vientiane usually depart from Phnom Penh Techo Intl (KTI) and arrive at Vientiane Wattay (VTE).

Here are some options for this route, based on selected ticket types and cabin classes:

• Vietnam Airlines: a cabin bag and a checked bag in Economy Class
• Cambodia Airways: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Phnom Penh to Vientiane.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $333 round-trip via Bangkok Don Mueang Intl (DMK), compared to $375 for nonstop.

The Airbus A321-100/200 family is used most often on this route, operated mainly by Vietnam Airlines and Philippine Airlines. Other aircraft seen on the route include Airbus A319 variants.

Connecting flights from Phnom Penh to Vientiane most commonly pass through:

• Bangkok Don Mueang Intl (DMK) - 92% of one-stop connections
• Bangkok Suvarnabhumi (BKK) - 8% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 12% on the Phnom Penh to Vientiane route. Tuesday is the cheapest departure day at $360 round-trip on average, while Saturday is the most expensive at $409, a difference of $49. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Evening is the busiest departure period on Phnom Penh to Vientiane flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

A nonstop flight from Phnom Penh to Vientiane takes 1h 44m, covering 484 miles.

These are the earliest and latest flight times available from Phnom Penh to Vientiane:

• Earliest: departs at 2:10 pm and lands at 3:54 pm
• Latest: departs at 5:45 pm and lands at 7:29 pm.

The flight takes about 1h 44m.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time at 6h 29m, compared with 9h 40m via Bangkok Don Mueang Intl (DMK).

Round-trip flights from Phnom Penh to Vientiane range from $347 to $422, with an average of $375 over the past 12 months. Anything below $347 counts as a good deal.